Gaya APA
Suryawan, A.
(2009).
Perkerasan Jalan Beton Semen Portland
(
Cet. 2)
.
Yogyakarta:
Beta Offset.
Gaya MLA
Suryawan, Ari.
"Perkerasan Jalan Beton Semen Portland".
Cet. 2
Yogyakarta:
Beta Offset,
2009.
Electronic Resource.